CN104848497A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN104848497A
CN104848497A CN201510316051.XA CN201510316051A CN104848497A CN 104848497 A CN104848497 A CN 104848497A CN 201510316051 A CN201510316051 A CN 201510316051A CN 104848497 A CN104848497 A CN 104848497A
Authority
CN
China
Prior art keywords
heat exchanger
indoor
capillary
air regulator
magnetic valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510316051.XA
Other languages
Chinese (zh)
Inventor
李四祥
童志军
马奇峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Original Assignee
Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Chigo Heating and Ventilation Equipment Co Ltd filed Critical Guangdong Chigo Heating and Ventilation Equipment Co Ltd
Priority to CN201510316051.XA priority Critical patent/CN104848497A/en
Publication of CN104848497A publication Critical patent/CN104848497A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/02Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/08Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
    • F24F6/10Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/30Condensation of water from cooled air

Abstract

The embodiment of the invention provides an air conditioner for achieving defrosting without the reversing of a four-way valve required. According to the technical scheme of the air conditioner provided by the embodiment of the invention, the air conditioner comprises a compressor, a four-way valve, an outdoor heat exchanger, a first throttling device, an indoor front heat exchanger, a second throttling device and an indoor rear heat exchanger which are in pipeline connection with one another sequentially; the air conditioner further comprises a defrosting solenoid valve; one end of the defrosting solenoid valve is in pipeline connection with the compressor; and the other end of the defrosting solenoid valve is in pipeline connection with the outdoor heat exchanger.

Description

A kind of air regulator
Technical field
The embodiment of the present invention relates to air-conditioning technical field, particularly relates to a kind of air regulator.
Background technology
During heating operation in the winter time, because outdoor environment temperature is low, outdoor heat exchanger surface often can lower than less than 0 DEG C; so surface meeting frosting gradually, along with the thickening of frosting, the heating capacity of unit can reduce gradually; indoor leaving air temp also reduces gradually, now defrosts with regard to needs.
Traditional domestic air conditioning or most fluorine CS central air-conditioning producer adopt the reverse cycle defrosting switching four-way change-over valve, namely Defrost operation is equivalent to refrigerating operaton, there is following shortcoming: now indoor set carries out anti-cold wind process, stop heat supply, affect comfortableness, indoor set heat exchanger now as evaporimeter to indoor cold scattering, the temperature in room declines; In addition, because most producer all adopts the setting that defrosts simultaneously, namely when the module in parallel running module needs defrosting, all modules all enter Defrost operation, even if the operation module made so does not need defrosting to be forced into Defrost operation yet, economy is not high.
Because reverse cycle defrosting adopts the switching of cross valve to realize, the high-low pressure of unit has the process of sudden change, large to the impact of system, easily causes generator protection; The noise of twice switching of cross valve is simultaneously large, has higher requirement to the reliability of cross valve.
Summary of the invention
The embodiment of the present invention provides a kind of air regulator, and commutating for not needing cross valve to realize defrosting.
The technical scheme of a kind of air regulator of the embodiment of the present invention comprises:
Heat exchanger behind the compressor connected in pipeline successively, cross valve, outdoor heat exchanger, first throttle device, indoor front heat exchanger, the second throttling arrangement, indoor;
Described air regulator also comprises defrosting magnetic valve, and described defrosting magnetic valve one end is connected with described compressor circuit, and the other end is connected with described outdoor heat exchanger pipeline.
Preferably,
Described air regulator also comprises outdoor fan and indoor fan, and described outdoor fan is arranged on the outside of described outdoor heat exchanger, and described indoor fan is arranged on the outside of heat exchanger before described indoor.
Preferably,
Described air regulator also comprises electrical heating elements and damping device, and described electrical heating elements is before described indoor fan and described indoor between heat exchanger.
Preferably,
Described electrical heating elements is heating tube.
Preferably,
Described damping device comprises humidifier and the water knockout drum for spraying water to described humidifier, described humidifier to be positioned at before described indoor on heat exchanger, described water knockout drum is positioned at the top of described humidifier, and described water knockout drum is connected with external water source with moisturizing stop valve by moisturizing magnetic valve, moisturizing filter.
Preferably,
Described humidifier is fin tube type heat exchange humidifier.
Preferably,
Described first throttle device comprises the first in parallel capillary and check valve, the second capillary in parallel and the first magnetic valve, and the second capillary and first magnetic valve of the first capillary of described parallel connection and check valve and described parallel connection are connected.
Preferably,
Described first capillary is assisted capillary, and described second capillary is main capillary.
Preferably,
Described second throttling arrangement comprises three capillary and second magnetic valve in parallel with described three capillary, and before described indoor, heat exchanger is connected with described second magnetic valve by described three capillary with heat exchanger behind described indoor.
Preferably,
Described air regulator also comprises gas-liquid separator, and described gas-liquid separator is positioned at the outside of described compressor.
The beneficial effect of the embodiment of the present invention is:
Employing technique scheme defrosts, defrosting magnetic valve is opened, cold-producing medium becomes high temperature and high pressure gas after compressor compression, high temperature and high pressure gas arrives outdoor heat exchanger from the exhaust outlet of compressor through defrosting magnetic valve, high temperature and high pressure gas improves the temperature of outdoor heat exchanger in outdoor heat exchanger heat release, the temperature of outdoor heat exchanger raises and defrosted afterwards, high temperature and high pressure gas gets back to compressor after improving outdoor heat exchanger greenhouse cooling, only need to open the heat that namely defrosting magnetic valve can introduce self compressor to defrost, defrosting time is short, defrosting efficiency can be improved, do not need the temperature of absorption chamber inner room simultaneously, improve comfortableness, and do not need to switch cross valve, improve the stability of unit yet.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of air regulator in the embodiment of the present invention;
Illustrate: compressor 1, cross valve 2, outdoor fan 3, outdoor heat exchanger 4, check valve 5, first capillary 6, second capillary 7, first magnetic valve 8, indoor front heat exchanger 9, second magnetic valve 10, three capillary 11, indoor rear heat exchanger 12, gas-liquid separator 13, indoor fan 14, electrical heating elements 15, moisturizing stop valve 16, moisturizing filter 17, moisturizing magnetic valve 18, water knockout drum 19, humidifier 20, defrosting magnetic valve 21.
Detailed description of the invention
The embodiment of the present invention provides a kind of air regulator, and commutating for not needing cross valve to realize defrosting.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention provides a kind of air regulator, comprising:
Heat exchanger 12 behind the compressor 1 connected in pipeline successively, cross valve 2, outdoor heat exchanger 4, first throttle device, indoor front heat exchanger 9, second throttling arrangement, indoor;
The blast pipe of compressor 1 is connected with two interfaces of cross valve 2 respectively with air intake duct, two other interface of cross valve 2 is connected with heat exchanger 12 behind outdoor heat exchanger 4 and indoor respectively, throttle part comprises first throttle device and the second throttling arrangement, first throttle device is before outdoor heat exchanger 4 and indoor between heat exchanger 9, and the second throttling arrangement is before indoor behind heat exchanger 9 and indoor between heat exchanger 12;
This air regulator also comprises defrosting magnetic valve 21, and defrosting magnetic valve 21 one end is connected with compressor 1 pipeline, and the other end is connected with outdoor heat exchanger 4 pipeline.
During heating and defrosting, defrosting magnetic valve 21 is opened, cold-producing medium becomes high temperature and high pressure gas after compressor 1 compresses, high temperature and high pressure gas arrives outdoor heat exchanger 4 from the exhaust outlet of compressor 1 through defrosting magnetic valve 21, high temperature and high pressure gas improves the temperature of outdoor heat exchanger 4 in outdoor heat exchanger 4 heat release, the temperature of outdoor heat exchanger 4 raises and defrosted afterwards, and high temperature and high pressure gas gets back to compressor 1 after improving outdoor heat exchanger 4 greenhouse cooling.
Employing technique scheme defrosts, and only need to open the heat that namely defrosting magnetic valve 21 can introduce self compressor 1 and defrost, defrosting time is short, can improve defrosting efficiency; Do not need the temperature of absorption chamber inner room simultaneously, improve comfortableness, and do not need to switch cross valve 2, improve the stability of unit yet.
Preferably, air regulator also comprises outdoor fan 3 and indoor fan 14, the outside of outdoor fan 3 heat exchanger 4 disposed in the outdoor, the outside of indoor fan 14 front heat exchanger 9 disposed in the interior, by arranging outdoor fan 3 and indoor fan 14, heat exchanger 9 and extraneous exchange capability of heat before outdoor heat exchanger 4 and indoor can be strengthened.
Preferably, air regulator can also comprise electrical heating elements 15 and damping device, electrical heating elements 15 can before indoor fan 14 and indoor between heat exchanger 9, by arranging electrical heating elements 15 and damping device, above-mentioned air regulator startup heat or refrigerating function time can increase humidification function.
It should be noted that, electrical heating elements 15 can be heating tube, can be also other heater blocks, specifically not limit.
Preferably, above-mentioned damping device can comprise water knockout drum 19, humidifier 20, moisturizing magnetic valve 18, moisturizing filter 17, moisturizing stop valve 16, and humidifier 20 is positioned on indoor front heat exchanger 9, and water knockout drum is positioned at the top of humidifier 20.
It should be noted that, humidifier 20 can be fin tube type heat exchange humidifier, fin tube type heat exchange humidifier is located on indoor front heat exchanger 9, water knockout drum 19 is placed on the top of fin tube type heat exchange humidifier, water knockout drum 19 is connected with external water source by moisturizing magnetic valve 18, moisturizing filter 17, moisturizing stop valve 16, water knockout drum 19 is sprayed water to fin tube type heat exchange humidifier, the heat that before indoor, heat exchanger 9, heating element heater 15 distribute makes the water be sprayed on fin tube type heat exchange humidifier become steam, steam is blowed to indoor by indoor fan 14, reaches the function of humidification.It should be noted that, the form of damping device can be finned tube heat exchange type humidification system, also can be wet-film humidifying system, can be also electrothermal humidification system, specifically not limit.
Preferably, first throttle device can comprise the first in parallel capillary 6 and check valve 5, and (two ends of the first capillary 6 are parallel with check valve 5, the arrival end of check valve 5 is connected with outdoor heat exchanger 4, check valve 5 is refrigeration check valve), second capillary 7 and the first magnetic valve 8 (two ends of the second capillary 7 are parallel with the first magnetic valve 8) in parallel, the second capillary 7 and first magnetic valve 8 of the first capillary 6 then in parallel and check valve 5 and parallel connection are connected; First capillary 6 can be assisted capillary, and the second capillary 7 is main capillary, and the first capillary 6 plays the effect of auxiliary reducing pressure by regulating flow, and the second capillary 7 plays the effect of main reducing pressure by regulating flow; Second throttling arrangement comprises three capillary 11 and second magnetic valve 10 in parallel with three capillary 11, wherein it should be noted that, first throttle device, the second throttling arrangement can be capillary, heating power expansion valve or electric expansion valve.
Preferably, above-mentioned air regulator also comprises gas-liquid separator 13, and this gas-liquid separator 13 is positioned at the outside of compressor 1.
The operation principle of above-mentioned air regulator is described below in conjunction with Fig. 1:
During refrigeration, cold-producing medium is by the gas of compressor 1 boil down to HTHP, outdoor heat exchanger 4 is delivered to after cross valve 2, cold-producing medium cools the gas-liquid mixture becoming high normal pressure and temperature after outdoor heat exchanger 4 carries out exchange heat with the external world, then cold-producing medium is through check valve 5 (check valve 5 is only in opening under refrigerating state), the gas-liquid mixture of low-temp low-pressure is become after second capillary 7 (main capillary) of first throttle device, then cold-producing medium is again by indoor front heat exchanger 9, heat exchanger 12 behind second magnetic valve 10 (the second magnetic valve 10 is opened) and indoor, before indoor, behind heat exchanger 9 and indoor, exchange heat in room air is realized indoor air temperature to cold-producing medium and reduces (before indoor, behind heat exchanger 9 and indoor, heat exchanger 12 is all evaporimeters) by heat exchanger 12, cold-producing medium after heat exchanger 9 before indoor and indoor after heat exchanger 12 heat exchange becomes the gas of low-temp low-pressure, then by cross valve 2, sucked by compressor 1 again, the gas of HTHP is turned after being compressed by compressor 1 again, complete kind of refrigeration cycle.During refrigeration, the first magnetic valve 8 cuts out, and the second capillary 7 is main capillary, and when cooling, the second capillary can reducing pressure by regulating flow greatly.It should be noted that, temperature sensor control compression frequency conversion or start-stop in process of refrigerastion, can be adopted to control to realize temperature constant.
When heating, cold-producing medium by after the gas of compressor 1 boil down to HTHP through cross valve 2, successively by indoor rear heat exchanger 12, second magnetic valve 10 (the second magnetic valve 10 is opened), heat exchanger 9 before indoor, now, cold-producing medium is heat exchanger 12 behind indoor, cool after heat exchanger 9 and indoor gas carry out exchange heat before indoor and realizes indoor air and be warmed and produce and heat (the rear heat exchanger 12 in indoor, before indoor, heat exchanger 9 is condenser), cooled cold-producing medium becomes the gas-liquid mixture of high normal pressure and temperature, then cold-producing medium is through the second capillary 7 (main capillary of first throttle device, play main reducing pressure by regulating flow effect) and the first capillary 6 (assisted capillary, play auxiliary reducing pressure by regulating flow) after become the gas-liquid mixture (the first magnetic valve 8 cuts out) of low-temp low-pressure, then cold-producing medium enters compressor after becoming gas by outdoor heat exchanger 4 evaporation again, formation heats circulation.It should be noted that, temperature sensor control compression frequency conversion or start-stop in heating operations, can be adopted to control to realize temperature constant.
Under refrigerated constant temperature dehumidifying operation mode, the rotating speed of outdoor fan 3 is lower or shut down, and now set outdoor fan 3 and stop, then the cooling capacity of outdoor heat exchanger 4 is lower.Cold-producing medium arrives outdoor heat exchanger 4 after being compressed into the gas of HTHP by compressor 1 after cross valve 2, because outdoor fan 3 stops, cold-producing medium only has part to be condensed at outdoor heat exchanger 4, then cold-producing medium is by being transported to indoor front heat exchanger 9 after check valve 5 and the first magnetic valve 8 (the first magnetic valve 8 is opened), before indoor, in fact heat exchanger 9 act as a part for condenser in refrigeration system, before indoor, the cold-producing medium of heat exchanger 9 serves the heat effect to room air, himself is cooled to the gas-liquid mixture of high normal pressure and temperature by room air, then cold-producing medium becomes the gas-liquid mixture of low-temp low-pressure after the reducing pressure by regulating flow effect of three capillary 11, then cold-producing medium is by indoor rear heat exchanger 12, cold-producing medium heat absorption is evaporated and room temperature lowering, because the temperature on heat exchanger behind indoor 12 is lower than the dew-point temperature of indoor air, the steam of room air just behind indoor, heat exchanger 12 condenses, reduce indoor air humidity.Said process adopts heat exchanger 12 pairs of cooling-dehumidifying airs behind indoor front heat exchanger 9 pairs of air heat and indoor, and mixed air indoor blower fan 14 blows out, and makes indoor temperature reach design temperature.
In common refrigeration with under heating operating condition, second magnetic valve 10 no power, is in open mode, because the circulation bore of this second magnetic valve 10 is larger, flow of refrigerant can be ignored through the pressure loss of this second magnetic valve 10, and its existence does not affect normal refrigeration, heating effect.
During refrigeration, the operation principle of humidifying component is, after cold-producing medium is crossed cross valve 2 by the gas that compressor 1 is compressed into HTHP, arrive outdoor heat exchanger 4 and cool a part (now setting outdoor fan 3 to stop), then by being become the gas-liquid mixture of high normal pressure and temperature after check valve 5, second capillary 7 again by indoor front heat exchanger 9 heat exchange, before indoor, in fact heat exchanger 9 act as a part for condenser in refrigeration system, and before indoor, the refrigerant temperature of heat exchanger 9 serves the heat effect to room air; After three capillary 11, become the gas-liquid mixture of low-temp low-pressure, return compressor 1 after heat exchanger 12 evaporation becomes overheated gas behind indoor and form kind of refrigeration cycle; Running water arrives moisturizing magnetic valve 18 through moisturizing stop valve 16 and moisturizing filter 17, sprays on humidifier 20, under gravity, permeates downwards along fin surface, form uniform moisture film after water knockout drum 19; The fin Bottomhole pressure of cold-producing medium heat exchanger 9 before indoor of high temperature, when room air is after before indoor, heat exchanger 9 and electrical heating elements 15 are heated, when scorching air is again by moisture film, moisture content fully absorbs the heat of air and evaporates, thus make air obtain humidification, wherein outdoor fan 3 stops, and the second magnetic valve 10 closes, the first magnetic valve 8 is opened, by heat exchanger 9 before indoor with electrical heating elements 15 heats and moisturizing magnetic valve start-stop controlled humidity.
When heating humidification, cold-producing medium is compressed into the gas of HTHP after cross valve 2 by compressor 1, arrive indoor rear heat exchanger 12 to cool, the gas-liquid mixture of high normal pressure and temperature is become after again cooling after heat exchanger 9 before the second magnetic valve 10 arrives indoor, again by becoming the gas-liquid mixture of low-temp low-pressure after the second capillary 7, first capillary 6, then by outdoor heat exchanger 4 evaporation become overheated gas after return compressor 1 formed heat circulation; Running water process, sprays on humidifier 20 after water knockout drum 19, under gravity, permeates downwards along fin surface, form uniform moisture film; The fin Bottomhole pressure of cold-producing medium heat exchanger 9 before indoor of high temperature, when room air is after electrical heating elements 15 is heated, when scorching air is again by moisture film, moisture content fully absorbs the heat of air and evaporates, thus make air obtain humidification, wherein, the first magnetic valve 8 closes, the second magnetic valve 10 is opened, by heat exchanger 9 before indoor with electrical heating elements 15 heats and moisturizing magnetic valve start-stop controlled humidity.
During heating and defrosting, defrosting magnetic valve 21 is opened, and high temperature and high pressure gas arrives outdoor heat exchanger 4 mixing low temp boil-off gas from compressor 1 exhaust outlet through defrosting magnetic valve 21, improves after after outdoor heat exchange actuator temperature and gets back to compressor 1.
Adopt technique scheme, a kind of air regulator that the embodiment of the present invention provides can realize constant temperature dehumidification and heat, humidification in process of refrigerastion and heating and defrosting.

Claims (10)

1. an air regulator, is characterized in that, comprising: heat exchanger behind the compressor connected in pipeline successively, cross valve, outdoor heat exchanger, first throttle device, indoor front heat exchanger, the second throttling arrangement, indoor;
Described air regulator also comprises defrosting magnetic valve, and described defrosting magnetic valve one end is connected with described compressor circuit, and the other end is connected with described outdoor heat exchanger pipeline.
2. air regulator according to claim 1, it is characterized in that, described air regulator also comprises outdoor fan and indoor fan, and described outdoor fan is arranged on the outside of described outdoor heat exchanger, and described indoor fan is arranged on the outside of heat exchanger before described indoor.
3. air regulator according to claim 2, is characterized in that, described air regulator also comprises electrical heating elements and damping device, and described electrical heating elements is before described indoor fan and described indoor between heat exchanger.
4. air regulator according to claim 3, is characterized in that, described electrical heating elements is heating tube.
5. air regulator according to claim 3, it is characterized in that, described damping device comprises humidifier and the water knockout drum for spraying water to described humidifier, described humidifier to be positioned at before described indoor on heat exchanger, described water knockout drum is positioned at the top of described humidifier, and described water knockout drum is connected with external water source with moisturizing stop valve by moisturizing magnetic valve, moisturizing filter.
6. air regulator according to claim 5, is characterized in that, described humidifier is fin tube type heat exchange humidifier.
7. air regulator according to claim 1, it is characterized in that, described first throttle device comprises the first in parallel capillary and check valve, the second capillary in parallel and the first magnetic valve, and the second capillary and first magnetic valve of the first capillary of described parallel connection and check valve and described parallel connection are connected.
8. air regulator according to claim 7, is characterized in that, described first capillary is assisted capillary, and described second capillary is main capillary.
9. air regulator according to claim 1, it is characterized in that, described second throttling arrangement comprises three capillary and second magnetic valve in parallel with described three capillary, and before described indoor, heat exchanger is connected with described second magnetic valve by described three capillary with heat exchanger behind described indoor.
10. air regulator according to any one of claim 1 to 9, is characterized in that, described air regulator also comprises gas-liquid separator, and described gas-liquid separator is positioned at the outside of described compressor.
CN201510316051.XA 2015-06-10 2015-06-10 Air conditioner Pending CN104848497A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485808A (en) * 2015-12-22 2016-04-13 广东志高暖通设备股份有限公司 Air conditioning system
CN106979561A (en) * 2016-01-15 2017-07-25 海信(山东)空调有限公司 Outdoor unit, outdoor unit control method and air-conditioning system
WO2018233259A1 (en) * 2017-06-19 2018-12-27 格力电器(武汉)有限公司 Electric vehicle, electric vehicle heat pump air conditioner assembly and control method thereof
CN111094876A (en) * 2017-08-29 2020-05-01 东芝开利株式会社 Multi-connected air conditioning system and indoor unit
CN111189139A (en) * 2018-11-14 2020-05-22 青岛经济技术开发区海尔热水器有限公司 Heat pump system with humidity adjusting function and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477475A2 (en) * 1990-09-28 1992-04-01 Costan S.P.A. An improved refrigeration circuit and method of de-frosting it
CN1818504A (en) * 2002-08-30 2006-08-16 三洋电机株式会社 Refrigerant cycling device
CN101526288A (en) * 2009-04-20 2009-09-09 广东志高空调有限公司 Air-conditioner defroster
CN202792266U (en) * 2012-09-17 2013-03-13 范建亮 Air conditioner
CN203964177U (en) * 2014-07-21 2014-11-26 深圳市沃森空调技术有限公司 Band mixes the air-conditioner of defrosting mode
CN104596148A (en) * 2015-02-12 2015-05-06 广东石油化工学院 Room air conditioner with constant-temperature dehumidification function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477475A2 (en) * 1990-09-28 1992-04-01 Costan S.P.A. An improved refrigeration circuit and method of de-frosting it
CN1818504A (en) * 2002-08-30 2006-08-16 三洋电机株式会社 Refrigerant cycling device
CN101526288A (en) * 2009-04-20 2009-09-09 广东志高空调有限公司 Air-conditioner defroster
CN202792266U (en) * 2012-09-17 2013-03-13 范建亮 Air conditioner
CN203964177U (en) * 2014-07-21 2014-11-26 深圳市沃森空调技术有限公司 Band mixes the air-conditioner of defrosting mode
CN104596148A (en) * 2015-02-12 2015-05-06 广东石油化工学院 Room air conditioner with constant-temperature dehumidification function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485808A (en) * 2015-12-22 2016-04-13 广东志高暖通设备股份有限公司 Air conditioning system
CN106979561A (en) * 2016-01-15 2017-07-25 海信(山东)空调有限公司 Outdoor unit, outdoor unit control method and air-conditioning system
CN106979561B (en) * 2016-01-15 2019-08-09 海信(山东)空调有限公司 Outdoor unit, outdoor unit control method and air-conditioning system
WO2018233259A1 (en) * 2017-06-19 2018-12-27 格力电器(武汉)有限公司 Electric vehicle, electric vehicle heat pump air conditioner assembly and control method thereof
CN111094876A (en) * 2017-08-29 2020-05-01 东芝开利株式会社 Multi-connected air conditioning system and indoor unit
CN111189139A (en) * 2018-11-14 2020-05-22 青岛经济技术开发区海尔热水器有限公司 Heat pump system with humidity adjusting function and control method

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Application publication date: 20150819